20150121684 | Self contained breathing apparatus (SCBA) electronics system - A self contained breathing apparatus electronics system that provides a method for maximizing battery life, estimating remaining battery life and condition, insuring reliable communications between modules, maintaining reliable real-time clock (RTC), minimizing piezo interference, minimizing effects of RFI and EMI on pressure measurement, retaining consistency in the motion detection circuitry due to sensitivity to temperature changes, and providing a thermal imaging camera in cooperation with either a HUD or POD mounted inside a SCBA facemask. | 05-07-2015 |